LDR 00511nam a2200133zu 4500 008 090205n chi d 100 1 _aWu Cangping 245 _aA Study on Low Fertility _bSupplement to and Development of the Theory of Demographic Transition _cWu Cangping and Mu Guangzong 504 _aübs. aus: Zhongguo shehui kexue, No. 1, 1995 773 0 _tSocial Sciences in China _gVol. 17.1 (1996); p. 70-77" 946 _a 001 IFS31724 999 _c303346 _d303346 952 _70 _c1 _40 _00 _9168012 _yBOOK _10 _d2009-05-14 _aIFS